In 1858, Ezra Warner patented his design for a can opener in America. Tin cans were first invented around 1810 but these cans were very thick and needed hammers and chisels to open. Later in the 19th century, cans became more thin like they are today. I got my information from Wikipedia.
The can opener.
the Tiffany company was the first one to manufacture can opener
The can!
he made the can opener
Mason Lambeck
It didn't
to open cans u crakhead!
the can opener and frisbee
He invented the first patented can opener.
He invented the first patented can opener.
It's a first class lever.
Ezra Warner was the inventor of the first can opener. He invented the can opener in the year 1858. Ezra was from Waterbury, Connecticut.